/*
 *  arch/s390/mm/extable.c
 *
 *  S390 version
 *
 *  identical to arch/i386/mm/extable.c
 */

#include <linux/config.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <asm/uaccess.h>

/* Simple binary search */
const struct exception_table_entry *
search_extable(const struct exception_table_entry *first,
	       const struct exception_table_entry *last,
	       unsigned long value)
{
	while (first <= last) {
		const struct exception_table_entry *mid;
		long diff;

		mid = (last - first) / 2 + first;
		diff = mid->insn - value;
		if (diff == 0)
			return mid;
		else if (diff < 0)
			first = mid+1;
		else
			last = mid-1;
	}
	return NULL;
}
